Dental Hygiene (DNH) at Wytheville Community College


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DNH 111 - Oral Anatomy
Studies the morphology and function of the oral structures with emphasis on the primary and permanent dentition, eruption sequence, occlusion, and intra-arch relationships.
Lecture 2 hours per week.
2 credits
DNH 115 - Histology/Head and Neck Anatomy
Presents a study of the microscopic and macroscopic anatomy and physiology of the head, neck, and oral tissues. Includes embryologic development and histologic components of the head, neck, teeth, and periodontium.
Lecture 3 hours per week.
3 credits
DNH 120 - Management of Emergencies
Studies the various medical emergencies and techniques for managing emergencies in the dental setting. Additional practical applications and simulations of emergencies maybe conducted to enhance basic knowledge from the one hour lecture component.
Lecture 1-2 hours per week.
1-2 credits
DNH 130 - Oral Radiography for the Dental Hygienist
Studies radiation physics, biology, safety, and exposure techniques for intra- and extra-oral radiographic surveys. Laboratory provides practice in exposure, processing methods, mounting, and interpretation of normal findings.
Lecture 1-2 hours. Laboratory 3 hours. Total 4-5 hours per week.
2-3 credits
DNH 141 - Dental Hygiene I
Introduces clinical knowledge and skills for the performance of dental hygiene services; basic skill components, lab manikins. and client practice.
Lecture 3 hours. Clinic 6 hours. Total 9 hours per week.
5 credits
DNH 142 - Dental Hygiene II
Exposes students to instrument sharpening, time management, and client education techniques and methods. Provides supervised clinical practice in the dental hygiene clinic with emphasis on developing client treatment and instrument skills. Prerequisite DNH 141.
Lecture 1-2 hours. Clinical 9-12 hours. Total 11-13 hours per week.
5 credits
DNH 143 - Dental Hygiene III
Introduces dental health care for clients with special needs. Includes introduction to computer concepts and applications. Provides supervised clinical practice in the dental hygiene clinic with emphasis on refining client treatment and instrumentation skills, including oral radiographs.
Lecture 2 hours. Clinic 6 hours. Total 8 hours per week.
4 credits
DNH 145 - General and Oral Pathology
Introduces general pathology with consideration of the common diseases affecting the human body. Particular emphasis is given to the study of pathological conditions of the mouth, teeth and their supporting structures. Prerequisite: DNH 113, 114 or 115.
Lecture 2 hours per week.
2 credits
DNH 146 - Periodontics for the Dental Hygienist
Introduces the theoretical and practical study of various concepts and methods used in describing, preventing, and controlling periodontal disease. Presents etiology, microbiology, diagnosis, treatment and prognosis of diseases.
%Lecture 2 hours per week.
2 credits
DNH 150 - Nutrition
Studies nutrition as it relates to dentistry and general health. Emphasizes the principles of nutrition as applied to the clinical practice of dental hygiene.
Lecture 2 hours per week.
2 credits
DNH 199 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits
DNH 214 - Practical Materials for Dental Hygiene
Studies the current technologic advances, expanded functions, and clinical/laboratory materials used in dental hygiene practice. Provides laboratory experience for developing skills in the utilization and applications of these technologies and functions.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
DNH 216 - Pharmacology
Studies the chemical and therapeutic agents used in dentistry, including their preparation, effectiveness, and specific application.
Lecture 2 hours per week.
2 credits
DNH 226 - Public Health Dental Hygiene I
Studies and compares concepts of delivery of health care, applying the public health delivery model. Utilizes epidemiologic methods, research and biostatistics as applied to oral health program planning, implementation, and evaluation. Incorporates and applies current health issues and trends.
Lecture 2 hours per week.
2 credits
DNH 227 - Public Health Dental Hygiene II
Applies concepts of public health program planning through student directed community projects with an emphasis on preventative oral health education. Includes development of table clinics, bulletin boards, and volunteer service in the community. Prerequisite: DNH 226.
Laboratory 3 hours per week.
1 credits
DNH 230 - Office Practice and Ethics
Studies the principles of dental ethics and economics as they relate to the dental hygienist. The course also includes a study of jurisprudence and office procedures.
Lecture 1 hour per week.
1 credits
DNH 235 - Management of Dental Pain and Anxiety in the Dental Off
Provides a study of anxiety and pain management techniques used in dental care. Students will understand the necessary theory to appropriately treat, plan and successfully administer topical anesthesia, local anesthesia, and nitrous oxide/oxygen analgesia. Includes the components of pain, pain control mechanisms, topical anesthesia, local anesthesia and nitrous oxide/oxygen analgesia. Prerequisites: DNH 115, DNH 120 and DNH 216.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
DNH 244 - Dental Hygiene IV
Introduces advanced skills and the dental hygienist's role in dental specialties. Includes supervised clinical practice in the dental hygiene clinic and/or off-campus clinical rotations at various community facilities. Emphasizes treatment of clients demonstrating periodontal involvement, stressing application and correlation of knowledge and skills from previous semesters. Prerequisite DNH 143 or DNH 190.
Lecture 1 hour. Clinic 12 hours. Total 13 hours per week.
5 credits
DNH 245 - Dental Hygiene V
Exposes student to current advances in dentistry. Includes supervised clinical practice in the dental hygiene clinic and/or off-campus clinical rotations at various community facilities. Emphasis is placed on synthesis of knowledge from previous semesters, treatment of clients with moderate to advanced periodontal involvement and improving clinical speed while maintaining quality in preparation for practice. Prerequisite: DNH 244.
Lecture 1 hour. Clinic 12 hours. Total 13 hours per week.
5 credits
DNH 299 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits